Functional Diagram - Baxi LUNA3 COMFORT HT Gebrauchsanleitung Für Den Benutzer Und Installateur

condensate
Figure 20
drain
Legend:
1 Siphon
2 Hydraulic pressure switch
3 Three-way valve
4 3-way valve motor
5 Safety thermostat 105°C
6 NTC heating probe
7 Expansion vessel
8 Automatic air vent
9 Coaxial connector
10 Fumes probe
11 Ignition electrode
12 Burner
13 Flame detection electrode
14 Air/Gas blend manifold
15 Water-fumes exchanger
INSTRUCTIONS FOR FITTERS

31. FUNCTIONAL DIAGRAM

280 - HT 330
HT 240 - HT
SEALED CHAMBER
heating DHW gas
delivery outlet tap
tap
81
DHW heating
inlet return
tap tap
16 Mixer with venturi tube
17 Gas diaphragm
18 Fan
19 Gas valve
20 Water-water plate exchanger
21 Pump with air separator
22 Boiler drain tap
23 Pressure gauge
24 Safety valve
25 Boiler filling tap
26 Flow sensor with water filter and flow limiting device
27 DHW priority sensor
28 NTC DHW probe/NTC boiler unit probe
29 Non-return valve
926.420.3 - EN